Yuheng (speak: Yuehang) was founded in 1999 and specialised on development, production and sales of tungsten and molybdenum products to answer to the growing demand for these commodities on the int.'l markets.Yuheng was and is set to meet this demand in a more flexible and efficient way. Consequently, the company concentrated on products of the most urgent demand on domestic and foreign markets, whilst preparing our production for the introduction of other products being interesting in future.Owing to hard and devoted work of Yuheng management and of its team, we have, in the meantime, gained an interesting batch of ground on this very competitive field of technology. We have achieved extensive knowledge on manufacturing and thus raised quality and output of our products.Yuheng's management and production are aligned to the standards of ISO 9001:2000 and ISO 68 48.Shannxi Yuheng Tungsten And Molybdenum Production Co., Ltd. is a fully aware, however, that only high quality, permanent endeavour for further development of production technology, on-time delivery of products and ability to cope with modest-most prices:, will enable us as a producer to stand up to the harsh business environment and bring us forwards.Yuheng management and its team keep being optimistic, however, that we will further be in a position to adamantly improve our services to our customers and enlarge our share on this market. For our Customers best Quality on time